Remaining needle convenient to fix

Abstract

The utility model discloses an indwelling needle convenient to fix, which relates to the technical field of medical instruments and comprises a needle seat and an adhesive tape fixing device. The front end of the needle base is fixedly connected with a needle tube, and the rear end of the needle base is provided with an isolation plug. The adhesive tape fixing device comprises four fixing blocks, two rotating rods, two adhesive tapes, a convex ball, two protective films and two tear tapes, the four fixing blocks are fixedly connected to the surface of the needle base, the two rotating rods are rotationally connected to the interiors of the four fixing blocks respectively, the two adhesive tapes are wound on the surfaces of the two rotating rods respectively, and the convex ball is arranged on the surface of the convex ball. The convex balls are fixedly connected to the surfaces of the two adhesive tapes respectively, a nurse only needs to tear off the small protective film before adhering the adhesive tapes, and the adhesive tapes can be directly adhered to the hands of a patient after being unfolded by the nurse, so that the adhesive tapes can be prevented from being bent and adhered together; and a nurse can conveniently fix the indwelling needle on the hand of the patient through the two adhesive tapes.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an indwelling needle that is easy to fix. Background Art

[0002] The use of intravenous catheters can reduce the pain of breast cancer caused by repeated intravenous puncture and the fear of injections, reduce the patient's anxiety, facilitate clinical medication, rescue medication for emergency and critically ill patients, reduce the workload of nurses, and reduce the pain of cancer patients. Therefore, intravenous catheters are widely used in clinical practice. Faced with this special group of cancer patients, the length of time the intravenous catheter is in place and the patient's comfort become the most concerned issues for their families, and are also the signs of the successful use of intravenous catheters and the premise of their promotion.

[0003] The currently published patent: CN215351231U discloses a medical indwelling needle with tape. After the steel needle is inserted into the skin, a pinching strip is provided on the inside of the tape, so the pinching strip can be torn off the tape from the inside out, and then the tape is used to stick the fixed needle holding handle and the movable needle holding handle. In this way, the nurse can initially stabilize the indwelling needle before sticking it firmly, thereby facilitating the nurse's subsequent operations.

[0004] Based on the above search, it was found that the above patent has the following problems when used: when the medical indwelling needle with tape is in use, since there is a pinching strip on the inside of the tape, the pinching strip can be torn out of the tape from the inside, and then the tape is used to stick the fixed needle holding handle and the movable needle holding handle. Since the tape is relatively soft, after the nurse tears off the protective film of the tape, the tape is easy to bend and stick together. The nurse also needs to unfold it before it can be pasted on the patient's hand to fix the indwelling needle, affecting the convenience of fixing the indwelling needle. Utility Model Content

[0005] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and to provide an indwelling needle that is easy to fix. It can solve the problem that because the tape is relatively soft, after the nurse tears off the protective film of the tape, the tape is easy to bend and stick together. The nurse needs to unfold it before it can be pasted on the patient's hand to fix the indwelling needle, which affects the convenience of fixing the indwelling needle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an indwelling needle that is easy to fix, comprising a needle seat and a tape fixing device; the front end of the needle seat is fixedly connected to the needle tube, and the rear end of the needle seat is installed with an isolation plug; the tape fixing device comprises four fixing blocks, two rotating rods, two tapes, convex balls, two protective films and two tear strips, the four fixing blocks are all fixedly connected to the surface of the needle seat, the two rotating rods are respectively rotatably connected to the inside of the four fixing blocks, the two tapes are respectively wound on the surfaces of the two rotating rods, and the convex balls are respectively fixedly connected to the surfaces of the two tapes.

[0007] Preferably, a handle is fixedly connected to the surface of the needle seat.

[0008] Preferably, a three-way tube is fixedly connected to the surface of the needle seat.

[0009] Preferably, one end of the three-way tube away from the needle seat is fixedly connected to a connecting hose, and one end of the connecting hose away from the three-way tube is fixedly connected to a connector.

[0010] Preferably, the two protective films are respectively adhered to the surfaces of the two adhesive tapes.

[0011] Preferably, the two tear strips are fixedly connected to the surfaces of the two adhesive tapes respectively.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. For the easy-to-fix indwelling needle, the nurse only needs to tear off the smaller protective film before sticking the tape. After the nurse unfolds the tape, it can be directly stuck on the patient's hand, so it can prevent the tape from bending and sticking together, making it convenient for the nurse to fix the indwelling needle on the patient's hand through two tapes, thereby improving the convenience of fixing the indwelling needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a schematic diagram of the overall structure of an indwelling needle that is easy to fix in the present invention;

[0016] Figure 2 This is a schematic diagram of the bottom structure of an indwelling needle that is easy to fix in the present invention;

[0017] Figure 3 This is a schematic diagram of the top structure of an indwelling needle that is easy to fix in the present invention;

[0018] Figure 4 This is a schematic diagram of the structure of the adhesive tape of the utility model after it is unfolded.

[0019] Figure numerals: 1, needle seat; 2, needle tube; 3, isolation plug; 4, handle; 5, three-way pipe; 6, connecting hose; 7, connector; 8, fixing block; 9, rotating rod; 10, adhesive tape; 11, convex ball; 12, protective film; 13, tear strip. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] See also Figure 1-4 The utility model provides a technical solution: an indwelling needle that is easy to fix, including a needle seat 1 and a tape fixing device, the front end of the needle seat 1 is fixedly connected to a needle tube 2, the rear end of the needle seat 1 is installed with an isolation plug 3, the surface of the needle seat 1 is fixedly connected to a handle 4, the surface of the needle seat 1 is fixedly connected to a three-way tube 5, the end of the three-way tube 5 away from the needle seat 1 is fixedly connected to a connecting hose 6, and the end of the connecting hose 6 away from the three-way tube 5 is fixedly connected to a connector 7.

[0025] When the indwelling needle that is easy to fix is ​​in use, the nurse can move the needle seat 1 by squeezing the handle 4. The movement of the needle seat 1 can drive the needle tube 2 to be inserted into the patient's hand for infusion.

[0026] The adhesive tape fixing device includes four fixed blocks 8, two rotating rods 9, two adhesive tapes 10, convex balls 11, two protective films 12 and two tear strips 13. The four fixed blocks 8 are fixedly connected to the surface of the needle seat 1, the two rotating rods 9 are respectively rotatably connected to the inside of the four fixed blocks 8, the two adhesive tapes 10 are respectively wound on the surfaces of the two rotating rods 9, the convex balls 11 are respectively fixedly connected to the surfaces of the two adhesive tapes 10, the two protective films 12 are respectively adhered to the surfaces of the two adhesive tapes 10, and the two tear strips 13 are respectively fixedly connected to the surfaces of the two adhesive tapes 10.

[0027] When the needle tube 2 is infused smoothly, the nurse can tear off the protective film 12 by pulling the tear strip 13 outward, and then the nurse can pinch one end of the adhesive tape 10 to pull it outward and release it. During the release process, the adhesive tape 10 can drive the rotating rod 9 to rotate inside the two fixing blocks 8, and the nurse can pinch the convex ball 11 with his fingers to increase the contact area, thereby increasing the friction between the nurse's fingers and the adhesive tape 10, making it easier for the nurse to pull out and unfold the adhesive tape 10. When the adhesive tape 10 is fully unfolded, the nurse can stick the adhesive tape 10 on the patient's hand. The nurse can fix the indwelling needle by sticking another adhesive tape 10 on the patient's hand in the same way. At this time, the nurse only needs to tear off the smaller protective film 12 before sticking the adhesive tape 10. After the nurse unfolds the adhesive tape 10, it can be directly stuck on the patient's hand, so the adhesive tape 10 can be prevented from bending and sticking together, making it easier for the nurse to fix the indwelling needle on the patient's hand through the two adhesive tapes 10, thereby improving the convenience of indwelling needle fixation.

[0028] Working principle: For the indwelling needle that is easy to fix, the nurse can move the needle seat 1 by pinching the handle 4. The movement of the needle seat 1 can drive the needle tube 2 to pierce the patient's hand for infusion. The nurse can then pull the tear strip 13 outward to tear off the protective film 12 by moving the tear strip 13. Then, the nurse can pinch one end of the adhesive tape 10 and pull it outward to release it. During the release process, the adhesive tape 10 can drive the rotating rod 9 to rotate inside the two fixed blocks 8. In addition, the nurse can pinch the convex ball 11 with his fingers to increase the contact area, thereby increasing the friction between the nurse's fingers and the adhesive tape 10, which is convenient The nurse pulls out the tape 10 and unfolds it. When the tape 10 is fully unfolded, the nurse can stick the tape 10 on the patient's hand. The nurse can fix the indwelling needle by sticking another tape 10 on the patient's hand in the same way. At this time, the nurse only needs to tear off the smaller protective film 12 before sticking the tape 10. After the nurse unfolds the tape 10, it can be directly stuck on the patient's hand, so it can prevent the tape 10 from bending and sticking together, making it convenient for the nurse to fix the indwelling needle on the patient's hand through two tapes 10, thereby improving the convenience of fixing the indwelling needle.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A conveniently fixed indwelling needle, characterized in that: include: Needle holder (1) and adhesive tape fixing device; The front end of the needle seat (1) is fixedly connected to the needle tube (2), and the rear end of the needle seat (1) is installed with an isolation plug (3); The adhesive tape fixing device comprises four fixed blocks (8), two rotating rods (9), two adhesive tapes (10), convex balls (11), two protective films (12) and two tear strips (13). The four fixed blocks (8) are all fixedly connected to the surface of the needle seat (1), the two rotating rods (9) are respectively rotatably connected to the inside of the four fixed blocks (8), the two adhesive tapes (10) are respectively wound on the surfaces of the two rotating rods (9), and the convex balls (11) are respectively fixedly connected to the surfaces of the two adhesive tapes (10).

2. The indwelling needle according to claim 1, characterized in that: A handle (4) is fixedly connected to the surface of the needle seat (1).

3. The indwelling needle according to claim 1, characterized in that: A three-way pipe (5) is fixedly connected to the surface of the needle seat (1).

4. The indwelling needle according to claim 3, characterized in that: One end of the three-way pipe (5) away from the needle seat (1) is fixedly connected to a connecting hose (6), and one end of the connecting hose (6) away from the three-way pipe (5) is fixedly connected to a connector (7).

5. The indwelling needle that is easy to fix according to claim 1, characterized in that: The two protective films (12) are respectively adhered to the surfaces of the two adhesive tapes (10).

6. The indwelling needle according to claim 5, characterized in that: The two tear strips (13) are respectively fixedly connected to the surfaces of the two adhesive tapes (10).

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